<template>
    <div class="icons">
        <swiper :options="swiperOption">
            <swiper-slide v-for="(page, index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img">
                        <img class="icon-img-content" :src='item.imgUrl' alt="">
                    </div>
                    <p class="icon-desc">{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'
  .icons >>> .swiper-container
    height: 0
    padding-bottom: 50%
  .icon
    position: relative
    float: left
    width: 25%
    height: 0
    padding-bottom: 25%
    .icon-img
     position: absolute
     top: 0
     left: 0
     right: 0
     bottom: .44rem
     box-sizing: border-box
     padding: .1rem
     .icon-img-content
      display: block
      margin: 0 auto
      height: 100%
    .icon-desc
     position: absolute
     left: 0
     right: 0
     bottom: 0
     line-height: .44rem
     height: .44rem
     color: $darkTextColor
     text-align: center
     ellipsis()
</style>
